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should i switch to a lighter tube?

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should i switch to a lighter tube?

Old 06-03-12, 07:41 AM
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should i switch to a lighter tube?

i've been using the forte tubes.

today with PB's deal a day special for this month... all forte tubes are 50% off.

i was gonna stock up with their 30% points weekend but this is a better deal. the light tubes are now only 3.50$.

i didn't wanna pay full price for them before plus, i was getting seriously a lot of flats. but lately... with the GP4kS 25c tires, i have used them for over a 1000 miles and only got 2 flats. so this made me think, i could prolly get away with lighter tubes now.

so whaddaya think? go for it? or am i inviting more flats in switching to a lighter tube?

i know flats are mostly luck as well, but im just wondering what others' experiences are from switching to lighter tube.

thanks.

Last edited by vermilionx; 06-03-12 at 07:51 AM.
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Old 06-03-12, 08:04 AM
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I use them in race wheels, but for training I use the regular weight tubes as they're a bit less flat prone.
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Old 06-03-12, 08:13 AM
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Obviously not definitive experience, but my trainers have GP4000S tires and cheap standard tubes and I average a flat every 1000mi or so. My climbing wheels have Pro 3 Race tires with Mich light weight tubes and I haven't had flat over the 1200mi I have on them. Go figure.
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Old 06-03-12, 08:42 AM
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I know back in the day BMX racers would use 16" tubes to save weight on the cheap. Wonder if you could stretch a 650c tire for the same purpose?
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Old 06-03-12, 08:55 AM
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ive been runing 52g tubes for a while now. my cheap way saving about .25lb since i dont have sex-boy carbon wheels.

if something works its way through your tire, why wont it work its way into your tube?

try them out.
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Old 06-03-12, 09:29 AM
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Alright. Ill buy 6 of them to try out.

Thanks.
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Old 06-03-12, 06:40 PM
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sweet! i stocked up on light tubes.

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Old 06-04-12, 12:34 AM
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i hope you at least installed 2 of them.
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Old 06-04-12, 08:01 AM
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Originally Posted by abstractform20
i hope you at least installed 2 of them.
ha! maybe i should do that.

and i'll keep the regular tubes i still have in cold storage.
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Old 06-04-12, 08:27 AM
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are those latex, or just lighter butyl? I run 23 tubes in my 25mm tires - does that make me a weight weenie? Mostly I do it because the 23mm tubes are smaller, easier to carry and easier to install.
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Old 06-04-12, 08:32 AM
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Originally Posted by pallen
are those latex, or just lighter butyl? I run 23 tubes in my 25mm tires - does that make me a weight weenie? Mostly I do it because the 23mm tubes are smaller, easier to carry and easier to install.
it's butyl. accdg to the specs. 0.6mm thickness.
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Old 06-04-12, 08:48 AM
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I've had nothing but bad experiences with light tubes. Good luck. And why do people save there fragile stuff for races only? Nothing like paying $40 to enter a race and flat out after 10 miles. I'd rather deal with the unnoticeable weight difference in tubes than chasing back after a flat any day.
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Old 06-04-12, 08:52 AM
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Originally Posted by jfmckenna
I've had nothing but bad experiences with light tubes. Good luck. And why do people save there fragile stuff for races only? Nothing like paying $40 to enter a race and flat out after 10 miles. I'd rather deal with the unnoticeable weight difference in tubes than chasing back after a flat any day.
I think flats are less of a risk on race day. Many race venues will sweep the course ahead of the event so glass and other such hazards less likely. Plus, that .003 secs you save might be what you need to win the day.
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Old 06-04-12, 09:12 AM
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I use Vittora ultra light tubes. I haven't found them to be anymore flat prone than regular tubes. I'm no weight weenie, but all things being equal, I'll choose the lighter option. This is one of those rare cases in which those things really do seem to be equal.
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Old 06-04-12, 09:30 AM
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Originally Posted by pallen
I think flats are less of a risk on race day. Many race venues will sweep the course ahead of the event so glass and other such hazards less likely. Plus, that .003 secs you save might be what you need to win the day.
True, but I'm the king of flats so I take no chances. And it is also true that if you think it makes you fast then it very well may
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Old 06-04-12, 10:29 AM
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One thing I noticed about the Performance Lunar Lite tubes is they seemed to improve the ride quality - felt similar to running latex tubes.
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Old 06-04-12, 11:44 AM
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Originally Posted by jfmckenna
I've had nothing but bad experiences with light tubes. Good luck. And why do people save there fragile stuff for races only? Nothing like paying $40 to enter a race and flat out after 10 miles. I'd rather deal with the unnoticeable weight difference in tubes than chasing back after a flat any day.
Same here. While light tubes do feel better to me in ride quality and no doubt they save weight, it isn't worth it to me for lack of flat protection.
All know flats suck and happen at the worse time and there is no good time.
Bad experience with light tubes...too many flats.
YMMV OP

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Old 06-04-12, 12:48 PM
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gah i did get a flat just earlier...

man, i hope i don't regret buying these. lolz

weird thing though... i removed the tube and inspected and no punctures on it. i inflated it again and rode home with no problems. 1st time this has happened to me. why did it flat if there was no damage to the tube?
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Old 06-04-12, 01:29 PM
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Originally Posted by vermilionx
gah i did get a flat just earlier...

man, i hope i don't regret buying these. lolz

weird thing though... i removed the tube and inspected and no punctures on it. i inflated it again and rode home with no problems. 1st time this has happened to me. why did it flat if there was no damage to the tube?
Did you forget to tighten the screw on the valve?

Light tubes can be folded up smaller so I use them in my seat bag and pockets. If I change the tube at home I use a regular tube. I can't tell the difference in flat protection in the two.
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Old 06-04-12, 01:34 PM
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I use lightweight air instead.
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Old 06-04-12, 01:50 PM
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Originally Posted by GP
Did you forget to tighten the screw on the valve?

Light tubes can be folded up smaller so I use them in my seat bag and pockets. If I change the tube at home I use a regular tube. I can't tell the difference in flat protection in the two.
i really don't think so. but i inflated it with my floor pump now... if by tonight or tomorrow morning it's softer, then i guess the tube is really compromised and i have to just switch to a new one. that would suck though. lolz
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Old 06-04-12, 02:32 PM
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man... i can already tell my tires are softer now.

the tube is compromised. time to throw it away. >_<

oh well... hopefully i don't go through these light tubes so fast.
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Old 06-04-12, 02:40 PM
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Originally Posted by vermilionx
man... i can already tell my tires are softer now.

the tube is compromised. time to throw it away. >_<

oh well... hopefully i don't go through these light tubes so fast.
I suspect the valve stem area. You should verify that before just pitching it.

I've had a tube with a leaky stem for a while, and I finally had to change it this weekend. It would hold air, but any time I touched the stem, it would leak air (fast). I kept riding it, and it kept working, so I left it in. But this weekend was it's last ride. Half of the stem had come out of the rubber part. It had been holding itself together at high pressure, but I guess it finally gave up.
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Old 06-04-12, 02:46 PM
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I have 4000 miles since I started using 65-75g tubes, and not a single flat with GP4000S tires.

Never tried performance branded tubes, I've use michelin aircomp ultralight for butyl, and both Michelin and Vittoria for latex tubes.

There are tons of negative reviews for many brands of light weight tubes so you need to do research before you buy.
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Old 06-04-12, 02:58 PM
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in fairness though... i did ride some pretty crappy roads earlier.

oh well... i'll find out soon enough if these things will be worthwhile for me or not. 1 down, 5 tubes left.
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